MAINTENANCE SCHEDULE
Lubricate bar
sprocket hole . . . . . . . After each use
Check:
Fuel mixture level . . . . Before each use Bar lubrication . . . . . . . Before each use Chain tension . . . . . . . Before each use Chain sharpness . . . . Before each use For damaged parts . . Before each use For loose caps . . . . . . Before each use For loose fasteners. . . Before each use For loose parts . . . . . . Before each use
Inspect and Clean:
Bar . . . . . . . . . . . . . . . . Before each use Complete saw . . . . . . . After each use Air filter . . . . . . . . . . . . . Every 5 hours* Chain brake . . . . . . . . Every 5 hours* Spark arrestor screen
and muffler . . . . . . . . . Every 25 hours* Replace spark plug . Yearly Replace fuel filter . . . Yearly
* Hours of Operation
AIR FILTER
CAUTION: Do not clean filter in gasoline or other flammable solvent to avoid creating a fire hazard or producing harmful evapora- tive emissions.
Cleaning the air filter:
A dirty air filter decreases engine perform- ance and increases fuel consumption and harmful emissions. Always clean after every 5 hours of operation.
SClean the cover and the area around it to keep dirt and sawdust from falling into the carburetor chamber when the cover is re-
moved.
SRemove the parts as illustrated below.
SWash the filter in soap and water. Rinse in clean cool water. Air dry completely before
reinstalling.
SLightly oil air filter before installing to im- prove the efficiency of the air filter. Use
Squeeze excess oil from filter.
SReinstall parts.
Air Filter | Cylinder | |
Cover | ||
| ||
| Screws |
Replace the spark arresting screen if breaks occur.
CLEANING THE SPARK ARREST- ING SCREEN
Cleaning is required every 25 hours of op- eration or annually, whichever comes first.
Outlet
Guide
Muffler
Muffler
Backplate 
Bolts
Muffler
Gasket
Bolt Cover Locknut
SLoosen and remove the locknut from the
bolt cover.
SRemove the bolt cover.
S Loosen and remove the 2 muffler bolts. Remove the muffler, muffler gasket, outlet guide and backplate. Notice the orienta- tion of these parts for reassembling.
S Locate the 2 outlet cover screws on the muffler. Loosen and remove both screws.
SRemove the outlet cover.
Outlet Cover BACK VIEW OF
MUFFLER
Muffler
Screws
Spark Arresting
Screen
SRemove spark arresting screen.
SClean the spark arresting screen with a wire brush. Replace screen if any wires are bro-
ken or screen is blocked after cleaning.
SReinstall spark arresting screen.
S Reinstall outlet cover and 2 screws. En- sure outlet cover and both screws are rein- stalled correctly (see illustrations) to pre- vent damage to the saw. The exhaust outlet must face the chain brake (bar side) of the saw.
Exhaust
Outlet Cover
Cylinder |
Cover |
Outlet 
INSPECT MUFFLER AND SPARK ARRESTING SCREEN
WARNING: The muffler on this product contains chemicals known to the State of California to cause cancer.
As the unit is used, carbon deposits build up on the muffler and spark arresting screen, and must be removed to avoid creating a fire hazard or affecting engine performance.
Exhaust Outlet must face chain brake (bar side) of chain saw
S Inspect the muffler gasket and replace if damaged.
S Reinstall backplate, outlet guide, muffler gasket, and muffler using muffler bolts. Tighten until secure.
S Reinstall bolt cover and locknut. Tighten securely.
14
